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Entries in how to brew (9)

Thursday
Jan122012

Ristretto Nicolai

If you are someone who really likes coffee, the opening of a new specialty café in town is big news. On a quiet Sunday morning, Jinsu Lee (who shares a passion for good coffee and café experiences) and I went on a mission to find the new Ristretto Roasters café. Having not spent much time in that part of Northwest PDX, we were unsure about where to go, especially when we arrived at a large brick building with “Schoolhouse Electric Company” painted on the side. The multi-story brick structure looked like an old factory. It was surrounded by industrial and commercial buildings, with no houses or condos in sight. A freight train grumbled heavily by as we pulled up to park.

At first, we saw no indications of the café. After a bit of hesitation and wandering around in the street, though, we noticed the RR sign on the sidewalk. We were at the right spot after all.

Walking in, my first impression of the café was Wow – beautiful! Who would have thought a great café would exist here?


According to Ryan Cross, distribution manager for Ristretto (who happened to be working as a barista that day), the Schoolhouse Electric building was indeed an old factory, but it had served as an office building for several years, stuffed full of low ceilings and claustrophobic cubicles. No longer. The developer completely gutted the building for the renovation, throwing out the cubicles, getting rid of the false ceilings, and pulling plaster off the walls to expose the brick underneath. The space now has the feel of a cathedral, a cathedral of coffee.

The large windows that used to provide light for factory workers’ days now gives the café a light, open feel. The bright, airy feel of the café is juxtaposed against the imposing power of the massive wood pillars and beams that give strength to the space.

Accelerated Development, the same company that designed Coava’s Grand Avenue café space, also designed the new Ristretto Roasters café. You can see some similarities in the modern-retro-industrial chic design. It is an example of industrial elegance.

A shiny new La Marzocco Strada espresso machine sits on the  gracefully curved coffee bar, gleaming under the warm lights hanging overhead. Behind the bar, a legion of six(!!!) grinders stood ready to grind. Three were dedicated to coffees for pourovers, three were for espressos – one blend, one single-origin, and one decaf. A plethora of choices for most coffee drinkers, but a coffee wonderland for a pursuer of great coffee.

I tried two different coffees. The first was a pourover of a natural-processed coffee from El Salvador. The deep, fruity aroma preceded the sweet, medium-bodied coffee. The second coffee was an espresso of an East Timorese coffee. It was rather savory.

In addition to drinking coffee, we also got a lesson on some of the finer points of barista know-how. Cross gave us a close-up view of how the Strada works. The Strada is a high-tech machine with accurate temperature and pressure controls. The variable control paddles on the Strada are very sensitive, allowing the barista to precisely control the pressure, speed and intensity of the extraction. Cross showed us how he was pulling the espresso shots using a bottomless portafilter (no pour spouts). By taking off the spouts, he made it easier to spot any “channeling” through the filter.

Channeling is the phenomenon where water passes through the puck in small “channels” instead of filtering evenly through the coffee. One way to envision channeling is to think of the ground espresso as if it were the soil in a garden. When you water a garden, you want the water to sink evenly into the soil. Otherwise, the water will run together and form a trench (channel) in one part of the garden. The excess water washes the soil away and you lose both water and nutrients when this happens.  

Baristas want the water to evenly pass through all of the ground espresso in order to produce an extraction that pulls out the best flavors inside the coffee. When coffee channels, too much water passes through the grounds too quickly, causing overextraction in that part of the puck. Pulling a shot with a bottomless filter gives the barista a quick visual check on the evenness of the grind and the tamp. He or she can see if the coffee is coming out from one part of the bottom of the filter or if it is coming out evenly.

The new café shares a space with the Schoolhouse Lighting Company, a home décor store that takes used industrial equipment and gives it a new twist, fashioning it into usable home décor. Ristretto’s décor blends seamlessly into the space.

The café seemed isolated from any residential neighborhoods, farther away from houses than cafés usually are. Cross explained that when the building’s developer held an event to celebrate the renovation, Ristretto ran a pourover bar to serve coffee for the event. The developer was impressed, and he encouraged Ristretto’s owners to set up a café there, setting the wheels in motion. Northwest Portland residents should be glad they did.

Is that a card catalog over there under the bench?

Ristretto on Nicolai would make a great stop for coffee if you are in the Northwest area. The space is beautiful and the coffee, some of Portland’s finest. Not everyone who goes in will want to learn about the intricacies of the espresso extraction process, but everyone who visits the newest Ristretto will be able to sit and enjoy great coffee in a beautiful space. 

Vitals
Address: 2181 NW Nicolai, Portland, OR  97210 (map)
Phone: 503-227-2866
Hours: Monday-Friday 6am-6pm
            Saturday 8am-6pm
            Sunday 8am-4pm
Coffee: Ristretto
Wi-Fi? Yes, I believe so.
Recommendations? Ask what’s on grind…
Website: www.ristrettoroasters.com

Saturday
Dec312011

Coffee follies - a moka misadventure

The goal: make some good coffee using a moka pot

The result: a pot full of steam and not much else (story below)

For those who enjoy drinking strong coffee (espresso, anyone?), if you want something stronger than brewed coffee but don’t have the money to spend on a high-quality home espresso machine, the moka pot makes a reasonable substitute. A moka pot is sometimes called a stovetop espresso maker, even though it does not make real espresso. Although it uses steam to brew coffee, the steam is not pressed through the grounds at high enough pressure to emulsify the oils inside the coffee, a key part of the espresso-making process. Nonetheless, the coffee that comes out is very strong, which is how I prefer to drink it.

The apparatus has three parts—a water chamber on the bottom, a coffee carafe on top, and a filter pot where the coffee grounds are held, sandwiched in between. As water from the bottom chamber heats up and boils, steam pushes up through the grounds and brews the coffee, filling the upper part of the coffee maker.

Back when we lived in Boston, we used a moka pot regularly. We weren’t as aware of coffee quality in those days, but we were generally pleased with the coffee it made. Last night, we broke out our new (used) moka pot to see if we could make some good late-evening coffee. It turned out to be harder than it should have been.

Start with good coffee

No matter what method you use to make coffee, the most important thing is to start with is good coffee. We had that. Batdorf and Bronson, a coffee roaster based in Olympia, Washington, just sent me two freshly-roasted coffees to try—a single-origin from Papua New Guinea and also the company’s Holiday Blend. Our plan was to brew some of the Papua New Guinea coffee with the moka pot.

Add water

We looked to Stumptown’s online brewing guide for some tips on how to best use the moka pot. The most important tip was to fill the water chamber with hot water instead of cold. When you do this, the heat from the burner does not cook the grounds before the water gets hot. We were also advised to pull the pot from the heat when the coffee coming out the tower was about the color of honey. That seemed easy enough, so we set to work making the coffee. Shayna ground the beans and filled the carafe with hot water. She set the pot  on the stove (medium heat)with the lid open, so we could watch the coffee as it brewed. If the smell of the fresh grounds was any indication, the coffee was going to be tasty.

Ready to brew

Our gustatory pleasure was not forthcoming, however.

And wait….

As we sat there watching the pot with anticipation, the coffee seemed in no hurry to come out. Since the water was hot when we put it in, the pot should have begun bubbling out coffee pretty quickly. The water did boil (we could hear it gurgling in the chamber beneath the grounds) but nothing happened. No coffee came up the spout.

Maybe it just needs a little more time, we thought. We waited another minute or two to see what would happen. Still nothing.

Maybe it needs just a little more heat. We turned the burner up to high and waited some more. Same result.

Where's the coffee?

Maybe next time

By this time, the kitchen was filling up with the smell of singed coffee, sweet and burnt. The heavy odor nearly pushed us out of the kitchen, and soon we conceded we were not going to get any coffee, pulling the pot off the burner.

Not much there

It took a while to figure out why the pot didn’t work, and I’m still not 100% sure. The spout where the coffee should have come out was worn, but that should not have prevented the coffee from brewing. A little online investigation led us to the conclusion that the seal between the water chamber and the top half of the pot was probably the culprit. Even though it looked okay, it must have been letting steam escape out the sides of the pot instead of pushing up through the grounds.

Evidence of a tired coffee maker. It looks like a lot of coffee has passed through there.

Not to be denied

Thwarted in our effort to make moka coffee but still craving something to sip, we broke out the French press and brewed a batch. The coffee was a bit fruity, with some walnut flavors too. It had a full mouthfeel and was evenly balanced. The flavors were vibrant and it was obvious the coffee was high quality.

While we enjoyed the coffee, it was a shame that we could not try it with the moka pot too. I’ll have to get a new seal and try again.

Our lesson for the evening was that “you get what you pay for.” We had bought the moka pot at Goodwill for a couple dollars and all we got was a couple drips of burned coffee. Oh well, next time…

Sunday
Nov132011

Barista theory – Dialing it in

In conversations with baristas about espresso, one of the things they always seem to be talking about is “dialing it in.” As an expression, the phrase means that they want to make the espresso great. In practice, it means that they are adjusting their equipment to make sure that you get the right combination of grind (particle size) and dose (amount) of coffee. Literally, it involves moving the dial on the grinder towards coarser or finer.

If you stop in at your favorite specialty coffee shop and watch the baristas during a busy period, you will probably notice that they keep filling up the hoppers on top of the grinders, without letting the amount of beans get too low down the sides. A barista at one of my regular coffices explained to me why doing this is so important.

As the weight of the beans pressing down toward the burrs of the grinder changes, so does the grind. When the beans get lighter, the pressure they exert is lower and the grind becomes coarser, so you have to turn down the dial on the grinder. Conversely, if you have a grinder adjusted properly for a hopper with few beans in it and then fill up the hopper, you need to open up the burs a little to compensate for the extra weight. Maintaining a constant level in the hopper helps the barista make consistent shots without having to adjust the grinder each time.

Keeping the hoppers filled is not the only thing the baristas must watch. When the ambient temperature and humidity rise or fall during the day, the grind changes too.  According to another barista, some days the beans just do not want to cooperate, as if they had their own personality. Regardless of what causes the changes, baristas must watch the grind very closely to make sure that their shots stay consistent. They measure the consistency by watching the flow of espresso as it pours out of the machine, by measuring how long the shot takes to pull and also by tasting the occasional shot.

As baristas gain experience, they learn to instinctively adjust their equipment to accommodate changes in the beans and the grind. They start making more consistent shots and drinks and they can do it more quickly. As a customer, you might not be aware of the little details that go into making your drink, but you don’t need to be, because your barista takes care to “dial it in” for you. 

Tuesday
Jul052011

How do you like your iced coffee?

It’s summertime (finally, if you live in Portland) and it is hot outside (unless you live in Portland, where it’s pleasantly warm), which means that you might be looking for a little change from the hot coffee routine. Iced coffee is a particularly hot (cold?) commodity this time of the year, and few things are more refreshing than drinking a tall, cool glass while sitting in the shade.

When you look for iced coffee, you have several options. You can buy (or make) an iced espresso drink (Americano, latte, etc.), an iced toddy* (coffee brewed at room temperature for long periods of time then poured over ice) and the traditional iced coffee (hot-brewed coffee that is quickly cooled or brewed directly over ice). Among iced coffee drinkers, there is some debate about which method makes the best cold coffee.

My favorite of the three is the iced toddy. The slow, low-temperature brewing process leaves out much of the acidity that you would find in hot-brewed coffee, making the toddy very smooth and easy to drink. The resulting beverage has a liqueur-like mouth feel, and tends to taste more chocolaty than fruity.

Not everyone thinks so highly of the toddy. I was talking with a friend today about coffee and he said that for him, the toddy is overrated. He believes that coffee needs to have the acidity, because a lot of the coffee’s flavor comes from “the acidity moving across your palate.”  Without these flavors, the coffee is flat. I countered that both are enjoyable, as long as you expect each one to be a different experience.

Since it is iced coffee season and I am curious about these kinds of things, I have two questions for you:

1. What kind of iced coffee beverages do you drink?

2. If you make it at home, how do you do it?

 

*The term toddy comes from the name of the person, Todd Simpson, who popularized the cold-brew method with a patented brewing system in the 1960s.

Monday
Apr112011

Espresso quality control

Here’s a demonstration of the variation in quality between cafés. Compare the two pictures below. In both cases, I ordered a double espresso.

Small and flavorful Too big for an espresso

As you can see, there is a significant difference in the size of the drink (the quarter in the picture gives you a sense of the how big each one was). The difference in quality was even greater.

Click to read more ...

Wednesday
Feb162011

How do you store coffee?

Quick, what are the two most destructive things on earth?

I will give you 10 seconds to come up with them.

1. . .2. . .3. . .4. . .5. . .6. . .7. . .8. . .9. . .10

Okay, what are they?

I can only guess at some of the answers you might have come up with: Guns, nuclear bombs, George W. Bush (if you are a Democrat), single-payer health care (if you are a Republican).

I might pick ignorance, but actually, the two most destructive things on earth are water and air. Water, given enough time, can move mountains. Air, or more specifically oxygen, combines with many materials to cause destruction in the form of rust, or in some cases, fire.

As you can imagine then, if you are trying to preserve your coffee beans, you do not want them to come into contact with either air or water (heat and light are two more things that coffee beans should stay away from). If  you can remember this, you have a pretty good idea of how to store coffee. Ideally, you would not store your beans for very long, but if you must, then these tips will help you get the best flavor out of them.

Click to read more ...

Monday
Feb072011

Freshness, grind, and making due with old equipment

If you’re like me, you might not have the best-quality tools for making coffee, so you have to do the best you can with what you’ve got. Fortunately, there are coffee experts among us who can help us do just that. The other day, Matt and Liam from the Stumptown Annex gave me some good coffee advice that I wanted to pass along to you.

I went to the Annex to buy some coffee to brew at home, and since I was buying good (and somewhat pricy) beans, I wanted make sure the beans were prepared properly. I have a very poor-quality blade grinder, so the question was: would be better to have them grind the coffee to the correct size, or should I take the beans home and grind them myself as needed? As you know, freshness is one of the most important factors that determines the taste of the coffee, but the grind is important too. Where was the trade-off between bean freshness and an accurate grind? The two coffee experts cleared things up.

They told me that since I was using a French press, it would probably be better to grind the beans myself at home. With some brewing methods, having an even grind is of paramount importance. However, of all the brewing methods, the French press method is the most forgiving, and you can get away with some variation in the size of the grounds. If they were to grind the beans, many of the aromatics that give the coffee its richness would soon be gone. Therefore, they reasoned, freshness was more important and I should grind them myself at home. Sounded like solid advice to me.

The two also gave me some advice on how to make the most of my rickety grinder (if you have a good burr grinder, you can disregard this). They were confident that I could still grind the beans well for the French press if I used a couple tricks.

First, in order to get the best grind possible, don’t just set the grinder on the counter and turn it on. As you grind the coffee, shake the grinder up and down in order to keep the coffee stirred up. That way you will not end up with lots of finely-ground coffee at the bottom and coarsely ground coffee at the top.

You should also pulse the grinder so that it does not continually run while you are grinding the beans. Pulsing will reduce the heat generated by the blades. You don’t want the grounds to heat up because the flavor compounds literally vaporize at higher temperatures, leaving you with a somewhat flat coffee.

To help me gauge the right size, Matt sent me home with a sample of coffee ground with their commercial grinder, allowing me to compare my grind to the proper grind. This is something I recommend you do too if you are using a blade grinder. The baristas at your favorite café should be happy to grind some beans to the proper size for you to use as a guide.

By following these tips, you might not brew the best pot of coffee you have ever had, but you will definitely make the most of your brewing equipment.

Good coffee is even possible with this. . . an antique from the 90s

Happy grinding and enjoy your fresh-ground coffee. 

Wednesday
Jan262011

Some Tips for Buying Beans

Despite the ubiquity of cafés in this country, a large majority of coffee that people drink is still brewed at home. There are two main reasons for this. First, brewing at home is more convenient than going out to a café to buy coffee. You don’t have to get dressed, or comb your hair or put on makeup before heading out to the café (though I have to say, these are not necessarily requirements in Portland). Second, brewing at home is generally cheaper, something that has become more important to coffee drinkers since the recession began. Buying coffee at a café can add up quickly, especially if you buy more than just brewed coffee or espresso.

Whether you go to cafés often or not, when you do brew coffee at home, you want to have good coffee.  So which coffee should you buy? It can be overwhelming to walk into a supermarket’s coffee aisle. There are coffees available in lots of different packages—you can buy coffee in bulk, bags, cans, jars and bricks. There are different brands, roasts, blends, country names and even different flavors. All of these choices can be more confusing than enlightening, so you have to sort through them to get something that suits you. By remembering a couple things, you will find it easier to get good coffee.

The first thing to remember is that good coffee starts with good beans, and good beans should be fresh. It is difficult to overestimate how important the freshness of the beans is to the taste of the coffee. Coffee beans are at their peak of flavor about a day after being roasted, and after that, the volatile aromatic compounds that give the coffee its flavor begin to dissipate. Therefore, you should always look for a roast date on the package. If you buy directly from a coffee roaster, you should ask when the coffee was roasted. If they won’t (or can’t) tell you, don’t buy it. They don’t care enough about quality to warrant your business.

Since freshness is so important, it is much better to buy whole beans than it is to buy pre-ground coffee. If you buy pre-ground coffee, even if it is ground at the store or café, the coffee is going to lose flavor quickly because the oxygen breaks down the flavor compounds inside the coffee.

If you buy your coffee at a supermarket, you should be sure to check the bags for roasting dates and expiration dates. Not all coffees have this, and if a company is afraid to put the dates on the bag, odds are you are not going to get the freshest coffee. Always look for the coffee with the nearest roast date or the farthest-out expiration date. Be careful about buying from the bulk bins too. Some of those beans may have been in there a while [Insider tip about buying bulk coffees: if you grind your own beans at the store, be sure to run a few beans through the grinder before catching them in the bag. You won’t get any flavored coffee surprises that way].

In addition to buying fresh beans, it helps to have an idea of what tastes you like. Do you prefer just a little bit of smoky flavor in your coffee? If so, you might want to look at a French or Italian roast. If you like lighter, more floral coffees, try a single-origin from Africa. Bright, sparkling coffees with crisp acidity? Try a Central American coffee. Most of the time, the coffee labels have descriptions of what you can expect in a coffee. Read them and try the one that sounds the best.

The best advice I can give you to learn more about blends and regions is to visit a café that sells coffee beans (if they roast their own beans, even better) and talk to the people that work there. A good barista will have opinions about what he or she likes and should be willing to let you try some of the café’s different offerings. When possible, visit the café during a slow part of the day so that the baristas will have more time to talk to you and make some samples. If you try to talk to them during the morning rush, you’re probably not going to have their full attention and they will just want to get you out the door so they can get back to working the line of customers.

If you buy some coffee and end up not liking it, don’t be afraid to take it back to the store. Roasters understand that not all of their recommendations will be right, so they should take back a bag of beans if you don’t like them (and haven’t used most of them). You’re paying good money to get good beans, so you ought to be satisfied with what you buy.

Hopefully these tips will help you when you go to buy coffee. Buying fresh beans and learning about blends and regions won’t necessarily guarantee you a good cup of coffee at home, but they will definitely improve your chances. Once you have good beans, you’re off to a good start.

Monday
Jan172011

Airport Coffee Hacking Tip

When you travel, one thing you may get tired of is airport coffee. It’s true that most airports these days have Starbucks or Peet’s (or some other large coffee chains) in them, but even if you do like their coffee, you probably don’t like the high prices they charge. Airport cafés have limited competition and they know it, so they charge way more than they would on the street.

There is a way to beat the airport coffee cartels and still have great coffee.

Zachary Gray, owner of Paper Tiger Coffee, gave me some great advice for getting great coffee when you’re traveling, without being treated like an ATM.

Here are the steps:

Step 1-Right before you leave for your trip, grind some coffee beans and put the grounds into a Ziploc bag. It is very important that the beans are ground extra-coarsely—more coarsely than for a French press. Grind out enough coffee so that you have at least two tablespoons of grounds for each six ounces of coffee you are going to want to drink. Put them in the bag and remove as much air as possible. Seal the bag and throw it in something you are going to carry onto the plane.

Step 2-When you get to the airport, look for a Starbucks—not to buy coffee, but to get a cup of hot water. Starbucks has great water. They triple-filter it so there is nothing in it to add or detract from the taste of the coffee. Order the size you want, making sure to match the quantity of water with the quantity of coffee you have.

Step 3-Dump your ground coffee into the cup of hot water. Gently stir the grounds to make sure that they all come into contact with the hot water. Let sit for 3-4 minutes, then pour just  a little cold water over the grounds to help them sink to the bottom. The coffee should be ready to drink.

As you drink the coffee, you have to be gentle with the cup so that the grounds stay at the bottom. If you do this, the grounds are less likely to release some of the bitter compounds they contain (i.e., they won’t over-extract) and you won’t get a mouth full of sediment when you drink it. As long as you’re careful, you will not taste much more sediment than you would with a French press.

It’s not rocket science—high-quality fresh coffee + good water has always been the recipe for great coffee, even if the method is somewhat primitive. In Gray’s experience, this ‘farmer coffee’ (a.k.a. ‘cowboy coffee’) is better than nearly all the coffees you can get at the airport. The fact that you don’t have to spend so much money also makes it taste better. Enjoy!

(Feel free to pass this on to your fellow travelers/coffee lovers)